Oxygen permeable Ce0.8Gd0.2O1.9-CoFe 2O4 thin films prepared on porous Ce0.8Gd 0.2O1.9 substrates

Isao Kagomiya, Takashi Iijima, Hirofumi Kakuta, Hitoshi Takamura

研究成果: Article査読

13 被引用数 (Scopus)

抄録

We propose the use of porous substrates and thin films of oxygen permeable ceramics as a method for separating oxygen from air. The porosity and pore size of various Ce0.8Gd0.2O1.9; (CGO) porous substrates were modified in an attempt to optimize the oxygen permeable flux of CGO-CoFe2O4 thin films. The oxygen permeable flux density of the CGO-CoFe2O4 thin film coated on the porous CGO substrate was found to be 4.7 μmol cm-2 s-1 under a O2 partial pressure difference (-log(POII/POI)) of 4.5 at 1000°C. This value is about 20 times higher than that of the 1 mm thick bulk material.

本文言語English
ジャーナルElectrochemical and Solid-State Letters
8
1
DOI
出版ステータスPublished - 2005 1月 31

ASJC Scopus subject areas

  • 化学工学(全般)
  • 材料科学(全般)
  • 物理化学および理論化学
  • 電子工学および電気工学
  • 電気化学

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